diff --git a/core/descriptors/src/org/jetbrains/kotlin/renderer/DescriptorRenderer.kt b/core/descriptors/src/org/jetbrains/kotlin/renderer/DescriptorRenderer.kt
index 89155ae9324..c3b56b33ccc 100644
--- a/core/descriptors/src/org/jetbrains/kotlin/renderer/DescriptorRenderer.kt
+++ b/core/descriptors/src/org/jetbrains/kotlin/renderer/DescriptorRenderer.kt
@@ -34,6 +34,8 @@ abstract class DescriptorRenderer : Renderer<DeclarationDescriptor> {
         return DescriptorRendererImpl(options)
     }
 
+    abstract fun renderMessage(message: String): String
+
     abstract fun renderType(type: KotlinType): String
 
     abstract fun renderTypeArguments(typeArguments: List<TypeProjection>): String
diff --git a/core/descriptors/src/org/jetbrains/kotlin/renderer/DescriptorRendererImpl.kt b/core/descriptors/src/org/jetbrains/kotlin/renderer/DescriptorRendererImpl.kt
index 702a31db856..6cc58b5bf11 100644
--- a/core/descriptors/src/org/jetbrains/kotlin/renderer/DescriptorRendererImpl.kt
+++ b/core/descriptors/src/org/jetbrains/kotlin/renderer/DescriptorRendererImpl.kt
@@ -78,7 +78,7 @@ internal class DescriptorRendererImpl(
         }
     }
 
-    private fun renderMessage(message: String): String {
+    override fun renderMessage(message: String): String {
         return when (textFormat) {
             RenderingFormat.PLAIN -> message
             RenderingFormat.HTML -> "<i>$message</i>"